class.ilXmlChecker.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/
 
require_once("./Services/Xml/classes/class.ilSaxParser.php");
 
class ilXMLChecker extends ilSaxParser
{
  var $error_code;
  var $error_line;
  var $error_col;
  var $error_msg;
        var $has_error;
  var $size;
  var $elements;
  var $attributes;
  var $texts;
  var $text_size;
        
        function ilXMLChecker($a_xml_file = '')
        {
                parent::ilSaxParser($a_xml_file);
                $this->has_error = FALSE;
        }
 
        function setHandlers($a_xml_parser)
        {
                xml_set_object($a_xml_parser,$this);
                xml_set_element_handler($a_xml_parser,'handlerBeginTag','handlerEndTag');
                xml_set_character_data_handler($a_xml_parser,'handlerCharacterData');
        }
 
        function startParsing()
        {
                parent::startParsing();
        }
 
        function parse($a_xml_parser,$a_fp = null)
        {
                switch($this->getInputType())
                {
                        case 'file':
 
                                while($data = fread($a_fp,4096))
                                {
                                        $parseOk = xml_parse($a_xml_parser,$data,feof($a_fp));
                                }
                                break;
                                
                        case 'string':
                                $parseOk = xml_parse($a_xml_parser,$this->getXMLContent());
                                break;
                }
                if(!$parseOk
                   && (xml_get_error_code($a_xml_parser) != XML_ERROR_NONE))
                {
      $this->error_code = xml_get_error_code($a_xml_parser);
      $this->error_line = xml_get_current_line_number($a_xml_parser);
      $this->error_col = xml_get_current_column_number($a_xml_parser);
      $this->error_msg = xml_error_string($a_xml_parser);
                        $this->has_error = TRUE;
                        return false;
                }
                return true;
        }
        
        function handlerBeginTag($a_xml_parser, $a_name, $a_attribs)
        {
    $this->elements++;
    $this->attributes+=count($a_attribs);
        }
 
        function handlerEndTag($a_xml_parser, $a_name)
        {
        }
 
        function handlerCharacterData($a_xml_parser, $a_data)
        {
    $this->texts++;
    $this->text_size+=strlen($a_data);
        }
 
  function getErrorCode() 
        {
    return $this->error_code; 
  }
  
  function getErrorLine() 
        {
    return $this->error_line; 
  }
  
  function getErrorColumn() 
        {
    return $this->error_col; 
  }
  
  function getErrorMessage() 
        {
    return $this->error_msg; 
  }
  
  function getFullError() 
        {
    return "Error: ".$this->error_msg." at line:".$this->error_line ." column:".$this->error_col;
  }
  
  function getXMLSize() 
        {
    return $this->size; 
  }
  
  function getXMLElements() 
        {
    return $this->elements; 
  }
  
  function getXMLAttributes() 
        {
    return $this->attributes; 
  }
  
  function getXMLTextSections() 
        {
    return $this->texts; 
  }
  
  function getXMLTextSize() 
        {
    return $this->text_size; 
  }
  
  function hasError() 
        {
    return $this->has_error; 
  }
  
}
?>